... HID Magnetic Ballast MH Ballast/HPS Ballast/HPM Ballast 70-1000W delta 70, tw 130 Copper/Aluminum Ballast, Ballast for Discharge ... 80W, 125W, 175W, 250W, 400W, 1000W- Voltage: 220V, 230V, 240V, 50Hz, 60Hz.- Power: 70-1000W.- Material: copper wire or aluminum wire.- Delta ... T 70 degree or lower.- Tw 130 degree ...